#0F1D5A#0F1D5A

#0F1D5A is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.6% C 0.111 H 267.8°. Best body text is #FFFFFF at 15.63:1 contrast (WCAG AA passes).

Color values

HEX	#0F1D5A
RGB	rgb(15, 29, 90)
HSL	hsl(229, 71%, 21%)
HSV	hsv(229, 83%, 35%)
CMYK	cmyk(83.3%, 67.8%, 0%, 64.7%)
CIE-LAB	lab(13.93, 19.30, -38.24)
CIE-LCH	lch(13.93, 42.84, 296.78°)
OKLab	oklab(26.55% -0.0043 -0.1106)
OKLCH	oklch(26.55% 0.111 267.8)
XYZ	xyz(2.4812, 1.7182, 9.8718)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1D5A #5A4C0F

analogous

#0F425A #0F1D5A #260F5A

triadic

#0F1D5A #5A0F1D #1D5A0F

tetradic

#0F1D5A #5A0F42 #5A4C0F #0F5A26

square

#0F1D5A #5A0F42 #5A4C0F #0F5A26

split-complementary

#0F1D5A #5A260F #425A0F

monochromatic

#04081A #060C26 #0F1D5A #182E8E #203FC3

Accessibility & contrast

On white

15.63

#0F1D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#0F1D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1D5A

15.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1D5A	#FFFFFF	#000000	##FFFFFF
##0F1D5A	1.00	15.63	1.34	15.63
#FFFFFF	15.63	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275C

Deuteranopia (green-blind)

#002059

Tritanopia (blue-blind)

#002D38

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0f1d5a;
/* rgb */ color: rgb(15, 29, 90);
/* oklch */ color: oklch(26.6% 0.111 267.8);

Tailwind

colors: {
  custom: {
    50: '#5c5889',
    500: '#0f1d5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f1d5a;
$custom-light: #5c5889;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1d5a",
  "rgb": {
    "r": 15,
    "g": 29,
    "b": 90
  },
  "hsl": {
    "h": 228.8,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.26553,
    "c": 0.11068,
    "h": 267.8
  },
  "luminance": 0.01718
}

Semantic roles & 50–950 ramp

primary

#0F1D5A

secondary

#948131

accent

#CC3AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F1D5A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →